MATLAB installer writes over 5,000+ registry keys (per version) under HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER . These keys store license paths, toolbox paths, compiler settings, and Java environment variables. Without them, MATLAB simply won’t launch.
If you are considering a (from mcc or MATLAB Compiler SDK), here are the proper features/requirements for Windows 7 64-bit: matlab portable windows 7 64 bit
If you need to share a specific tool you’ve built in MATLAB with someone who doesn’t have the software installed: Portable version of Matlab - MathWorks MATLAB installer writes over 5,000+ registry keys (per